A tweet from the University of Toledo's verified account was taken down Tuesday afternoon after the tweet, which promised to change the school's mascot to Shrek with 500,000 retweets, started gaining serious traction.

Four new teams joined the 64-team projection after clinching NCAA bids Saturday. With just eight automatic berths on the line Sunday, much of the field has settled into place. The NCAA bracket will be revealed during Monday's Selection Show (ESPN, 7 p.m. ET).